我需要打开UIDocumentPickerViewController,它应该允许用户选择所有类型的文件。即(.pdf,.doc)文件我用的是UIDocumentPickerViewController方法。我的代码://上传文件
let importMenu= UIDocumentMenuViewController(documentTypes: [
我从复制了一些代码--我得到了这两个错误: "_kUTTypeImage", referenced from:ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (us